GHSA-CFC2-WJCM-C8FM Incorrect Authorization with specially crafted requests

Envoy, which Pomerium is based on, contains two authorization related vulnerabilities: - CVE-2021-32777: incorrectly transform a URL containing a fragment element, causing a mismatch in path-prefix based authorization decisions. - CVE-2021-32779: incorrectly handle duplicate headers, dropping all...

Microsoft, CISA Urge Mitigations for Zero-Day RCE Flaw in Windows

Both Microsoft and federal cybersecurity officials are urging organizations to use mitigations to combat a zero-day remote control execution RCE vulnerability in Windows that allows attackers to craft malicious Microsoft Office documents. Microsoft has not revealed much about the MSHTML bug,...

User impersonation due to incorrect handling of the login JWT

Impact This allows anyone that can connect to the server to forge a LoginPacket with manipulated JWT token allowing impersonation as any Bedrock user. Unless credentials are saved in your configuration, online mode is not affected as users are still required to log in separately. If your...

GHSA-H77F-XXX7-4858 User impersonation due to incorrect handling of the login JWT

Impact This allows anyone that can connect to the server to forge a LoginPacket with manipulated JWT token allowing impersonation as any Bedrock user. Unless credentials are saved in your configuration, online mode is not affected as users are still required to log in separately. If your...

Microsoft Releases Mitigations and Workarounds for CVE-2021-40444

Microsoft has released mitigations and workarounds to address a remote code execution vulnerability CVE-2021-40444 in Microsoft Windows. Exploitation of this vulnerability may allow a remote attacker to take control of an affected system. This vulnerability has been detected in exploits in the...

XSS in Nextcloud Circles

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Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java Runtime affect Rational Functional Tester

Summary There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, Version 1.8 and IBM® Runtime Environment Java™ Version 1.8 used by Rational Functional Tester. Rational Functional Tester has addressed the applicable CVEs. Vulnerability Details CVEID: CVE-2021-2161 DESCRIPTION: An...

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Identity Services Engine ISE Software could allow an authenticated, remote attacker with administrative credentials to conduct a cross-site scripting XSS attack against a user of the interface. This vulnerability exists because the...

CVE-2021-39163

Matrix is an ecosystem for open federated Instant Messaging and Voice over IP. In versions 1.41.0 and prior, unauthorised users can access the name, avatar, topic and number of members of a room if they know the ID of the room. This vulnerability is limited to homeservers where the vulnerable...

GHSA-QQ89-HQ3F-393P Arbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning using symbolic links

Impact Arbitrary File Creation, Arbitrary File Overwrite, Arbitrary Code Execution node-tar aims to guarantee that any file whose location would be modified by a symbolic link is not extracted. This is, in part, achieved by ensuring that extracted directories are not symlinks. Additionally, in...

CVE-2021-39163

Matrix is an ecosystem for open federated Instant Messaging and Voice over IP. In versions 1.41.0 and prior, unauthorised users can access the name, avatar, topic and number of members of a room if they know the ID of the room. This vulnerability is limited to homeservers where the vulnerable...

GHSA-9JJR-QQFP-PPWX remote code execution via git repo provider

Impact A remote code execution vulnerability has been identified in BinderHub, where providing BinderHub with maliciously crafted input could execute code in the BinderHub context, with the potential to egress credentials of the BinderHub deployment, including JupyterHub API tokens, kubernetes...

Istio Fragments in Path May Lead to Authorization Policy Bypass

Impact Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with fragment in the path may bypass Istio’s URI path based authorization policies. Patches Istio 1.11.1 and above Istio 1.10.4 and above Istio 1.9.8 and above Workarounds...

GHSA-9856-9GG9-QCMQ Ethereum Contains Consensus Flaw During Block Processing

Impact A vulnerability in the Geth EVM could cause a node to reject the canonical chain. Description A memory-corruption bug within the EVM can cause a consensus error, where vulnerable nodes obtain a different stateRoot when processing a maliciously crafted transaction. This, in turn, would lead...

TimelockController vulnerability in OpenZeppelin Contracts

Impact A vulnerability in TimelockController allowed an actor with the executor role to take immediate control of the timelock, by resetting the delay to 0 and escalating privileges, thus gaining unrestricted access to assets held in the contract. Instances with the executor role set to "open"...

GHSA-2RQW-V265-JF8C Open Redirect in ActionPack

Overview There is a possible open redirect vulnerability in the Host Authorization middleware in Action Pack. This vulnerability has been assigned the CVE identifier CVE-2021-22942. Versions Affected: = 6.0.0. Not affected: 6.0.0 Fixed Versions: 6.1.4.1, 6.0.4.1 Impact Specially crafted...

Partial read is incorrect in molecule

Impact Anyone who uses totalsize.. function to partial read the length of any FixVec will get an incorrect result, due to an incorrect implementation. This has been resolved in the 0.7.2 release. Workarounds If you already have the whole FixVec A, you can use A.asslice.len to get the total size o...

Segmentation fault in time

Impact Unix-like operating systems may segfault due to dereferencing a dangling pointer in specific circumstances. This requires an environment variable to be set in a different thread than the affected functions. This may occur without the user's knowledge, notably in a third-party library. The...

XStream is vulnerable to a Remote Command Execution attack

Impact The vulnerability may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required...

XStream is vulnerable to an Arbitrary Code Execution attack

Impact The vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required...